T-3002ObservedActive
Environment Variable Leakage
Access environment variables containing API keys, tokens, and connection strings
Tactic
Credential Harvest · Stage 3
Extract API keys, tokens, and credentials from agent context and connected services
Attack class
NEMO-CRED-LEAK
Unintended exposure of credentials through environment variables, logs, or error messages
Evidence grade
ObservedConfirmed in real-world production systems or internet-wide exposure assessments.
DVAA validation
env var leakage
Reproductions in Damn Vulnerable AI Agent, the OpenA2A intentionally-broken agent for kill-chain validation.
Honeypot
AgentPwn coverage
data-exfiltrationagentpwn.com/learn ↗
An AgentPwn trap page produces a payload tagged with this technique class. Following the AgentPwn taxonomy of trap pages shows what an agent encounters.
The credential-probe tier asks the agent to dump environment variables and keys.
Detect
Detection · HackMyAgent
ENV-001ENV-002ENV-003ENV-004
npx hackmyagent secure --ciLive = implemented in hackmyagent; queued = declaredDefend
Defense · OASB controls
Reference
How to cite
AI Agent Threat Matrix T-3002 (Environment Variable Leakage). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-3002